Sentences with phrase «ago during the age of dinosaurs»

At one extreme are erosion - resistant metamorphosed submarine basalts, greenstones, formed over 100 million years ago during the age of dinosaurs, and often forming headlands that defy the battering waves.

Not exact matches

«The discoveries show that penguin diversity in the early Paleocene was clearly higher than we previously assumed,» says Mayr, and he adds, «In turn, this diversity indicates that the first representatives of penguins already arose during the age of dinosaurs, more than 65 million years ago.»

Kirkland and Shimada suspect the monster lungfish, which dates from between 160 million and 100 million years ago — during the age of dinosaurs — fed on turtles.

An international team of scientists has discovered a new lineage of extinct plankton - feeding sharks, Pseudomegachasma, that lived in warm oceans during the age of the dinosaurs nearly 100 million years ago.

One of the great unknowns in the history of life is the part that Antarctica may have played in the evolution and migration of vertebrates (backboned animals) during the key time interval that spans the end of the Age of Dinosaurs and the beginning of the Age of Mammals (the Cretaceous — Paleogene or K — Pg, between 100 and 40 million years ago).

«Arctic Oil & Gas cites recent scientific evidence that huge, floating mats of azolla - a prehistoric fern believed to have covered much of the Arctic Ocean during a planetary hothouse era about 55 million years ago - decomposed soon after the age of the dinosaurs and exist today as «vast hydrocarbon resources» trapped in layers of rock below the polar ice cap.»